Chem 1151 Chapters 1-3 Topics

Chapter 1

• Elements, Periodic Table, Properties
• Chemistry as Quantitative Science

Value or Number: SF, Sci Notation, Rounding

Units: SI base units, derived units, Prefixes

• Conversion

Chapter 2

• Laws (3) and Theory (1)
• Atom and Subatomic Particles (e-, p+, n0)

Isotopes Nuclide symbol (A,Z,E)

Atomic Mass (g, amu) C-12 standard

Molecules and Ions

• Cmps, Acid/Base
• Bonds = electrons between nuclei ionic, covalent
• Nomenclature, PT

Ionic (metal + non metal)

Common charge state

Multiple cation charges

Polyatomic ions

Molecular (nonmetals)

prefixes

Chapter 3

• Chemical Eqns

Qual interpretation

Quant interp; balance

• Molecular Masses
• Mole, gram and number conversions
• Stoichiometry

Quant relationships Stoich. Coefficients Mole ratios

Conversions %Yield= actual/theoretical

• Limiting Reactant
• Solutions, Molarity, Dilutions, Titration
• Chemical Formula

Mole interpretation

% composition

Empirical formula

Molecular formula

Combustion Rxn